SW4240401_Plansheet - Grading/Drainage Plan_20240904

REVISIONS
GRADING /EROSION CONTROL NOTE: f �` �` l
REV.as as-za sxErcy PLAN COMMENTS
A GRADING/EROSION CONTROL PERMIT WITH FRO WILL BE
SUBMITTED TO THE CITY OF WlNSTON-SALEM FOR
r ` REV.:03-29-23;SKETCH PLAN COMMENTS
111 REVIEW!APPROVAL PRIOR TO ANY LAND DISTURBANCE.
w ti\\\ T. \ \\\� �-. I "�•�v----.r `/ I 5 n ~ ``f REV:"Z3:WALOPTa"N TDWN CCUNGL COLWIENTS
REV.: 04-02-24. NCOE4 COMMENTS
RLl'.: 07-31-24, NCDE4 COMMENTS
�� HoL SITE
'r• 66 y1 41V 1� / // �!�� / / / / �\ � �`�_�(/ 1'Jl�i _. �� �i.��{ , � � �r - � 1 J� t� t�r`� ���
:.REV„U9-09-24,:NCQEQ G11S.
NOTE: E I F EAST
_ / > PROBr_RT`i( LINE TO BE REMOVED/AhD DE GD�TR
PROPERTY-TO BE INCORPORAT D INTO f Ia II �r r r1
� � \� 1 1 ) { } I t 111 � � . ; J � sl � � 0.78 I���T
-THE/W SHALL VILLAGE TER
� � •�� nl �trl ��s� � � r M�� ,
/ WNERS ASSOCIATIOFN
II �\
\� �,'O �
t77 I,
T�..��, 6�n1KA- Tw.�-- ,H--_-
�� � ���■•rr■ 58323' 3"��� \ °��>xti_ee cl Fx,svcstix r�
[ _ram hl ■iler�+���a. �� ■ ,^ -� - $ S83' 3'35"E /,f�' ■s�.�ad-.L��,`1 III / J 1I 1 r 1 i�
IOPEN v� Sg `� � 1033. `y \ 1 ��,T \ m IS
/ �I f �) 65-3' SpACt ,� 45"E 9q�4 \�~p r L`,� I �,.,. ..� Y �}
3! ( I `4 I TIJlf t �� R I PRI
MALININD�fz 51NOH OHUMMAN r W 7 9 B I �oo' / r 1 ti WHI7Fl� VILE _ �� == - `
r 4 L -- -� - \ \ �
N.T.S. � - � ,� - � � `\10 3'., � � �- �, -., �'�i�o�iv � .��F,�.4sr�R �__ � � �m
RANVIR K GNUMMAN s5.3' ,
PIN#babe-a-7g61 ` F s 1 2a 1 a PVC �'�\,455�G1,4Ql� INC. 4 z II -1-�
/ '- 7' sas
BLOCK 0 3LOT 101 / f \ J ..� ✓ / 3�.. 10 23'35"E } N Lit
f-
Df3 361C7 136 1545 - 6 ` 7 111 \ " F t h/ 1 r� 3 7. N rvc _ 5 I f
'�"' L� N ❑ _ � a FFE !.Cd \ � HT IRON�NGE �i � VJI O " 984 5 9��69 \ E%.snN 1AH -----�_J J}
ZONIW R5 j J r_ l3 tG caLurlNs I 1 �" 'J 8 11 I!f If' TOP 980.91
3'
�'$ p ^ ?g� of 0 8 p INV 973,1_ /
F 12
7 / FFE: � ;� 17 r 3� r
E J TYPE IV ❑ _ ! 9 7.30 K 19 _ ;.7 Z ,n cv
et BUFFER YARD 3 SPACE as 85.97 � K r 2d fi - Q) `�
r 55.8' I !� t FF : 985. d 1 QII
F r� x - 21 r 4' sa ti 1s - 8�A'�- ssa Ti r -- i f�Ll z r�-
CONSISTS OF l�'LAND GYPI2E5S TREES - ., s �RELflC TE f . �r� M - ~-1_ �. I-..
PLANTED S'D.G. 8 AT LEAST b'TALL 65.3' tit hALK. l jl / �; D / f4PT o 28 3' -1 m�,.-''` ga I OPEN FFY: 9 F 22 m
AT TIME OF PLANTING ! { f } TT 13
r\/ W �. VALLEY SPACE 2.5d O 23 24 > J H m
1 4 y .. • 14L�s5` t C�tc )24.5' i� - 9$1s r 25
K _ _
- P ACC{ 00 34.3 ✓ ?s C D W -I �(
BEGNPROP. F 5 VALLEY / 4' VALLEY C��•r K , KAFEN BARRON DILLON � IOU
� � <
_ \ RETAINING ❑ 05.3' © rn C&G ;r+ ® lf�RrYA pa J ! f f �.
WALI. t>k gea.o a r _ -� '' � � -: &C L F 98d.2(J / \ PIN#686821-9743 � �\ z V I < L[••
T car a uuE vat a uialln a .o- } 9 J SPELL❑ 14 Y / Q Z vl 2
EX. lrlli�Yt� ne eea.o � ® ° � / Q �I BLOCK 517!LOT OO5Y Z
f
l ti DB. 5054 FG. 3 I Z
-SlDEWALK ,, 3b2 l � �
�71 EX.NCCO I ` ❑K TOP Soo: .p END OP- 1 �` DISTUR f° �� h - 4Z ING R520
�TEa3�aa/r � ELEV.: 981.0 H f ❑ / -�. J
` NV 975.48 ry iyRLK.' q. V E�7} /} VALLEY t \ 9$a OPEN // \ Q O z
2 1I / f CdcG J
$4 48 v1EA ' - 1 1 r _ 3 16 SPACE _ Z If{ z (V
M
_� J 4 Q �f ( • I f 1 { gg4 j g82 J 2 W _ `• - f � Q Q 4k
d
©f S� - - 1 c a OPEN ) l -45 44 +; - v Y I5' T-rFE I V �` LU U m
_ d _
ll w �' ► -r -8.P1� SPACE 1 I r - - 43 ' 42 41 4a ^ . ° BUFFER YARD ' -ma-yy
\ / �' \ 39 17 G�
�`= EX.vcJa, • �® ES �I F E: - ,.. �/ ,ISTs OF LEYLAND CYPRESS TREES
� J r� / B1.A TED S'O.G. � AT LEAST b'TALL
Q ) I y AT TIl PLANTING O
83,56 w �_'�_ FU •�r�� � ,L%�r#;r�r�s•z�'S4"w / r �• f Il� 988.E 987 5 9$5. 0 { / F 981 93 � - -� �
A f
FFE; .30--- r q 71 3$ u 1 J i Z Q
4 Q ��
\ w ySp�OQOI 22 r �l FF - r r "
Rso h 1 STREET 1 /"� �l 8.p Y F Q 9
z r � jJ \ },,r�, ssa / 9�4,93 f FE: 2.&d 1 29 28
EX. CbYARDOT Cl L� r r } o-` . �€ivIQVE E . ssa 3 BB f 7 26 [�
� ..�� � 51DEWA�#C�oP 985.25 � ry• `' J I � L � WALL A�REQ'D. 98s e'pvc-
'14r §RATE 984.66cwy- `y /O, \ f
��v 972�0� I � k �.s � Sr �`--�i�f}-�-��l f r f'^--as2 t •. l �a / 11 ���^•-� \ f
w ♦�Mr _ i OPEN / / /1 a 24
1. 'NEGATIVE ACC€, S ESMT• ( t \ T Y SPACE
y A ' rT TO OLD HOLLOW ROAD w ` .:' y . \ j ..� _ #I�#i �1 _ / r r1IJ ���t t CA q���I
LEGEND \ 1I P�tOPE NINES. 'T Gr U s .+•�����SMp ` / f r OPEN 12'PVC -- SPACE PROP. � �N Ro
O BOUNDARY CORNER -NEW IRON ROD ° ) } J DRO EBPINOSA T P 98. ^_ B,gQO, \/ \v a�+ia / l r r VALLEY / w 9sisu �� a 4F DIV �'
I. �� n `ro /�( a �. .. ;;r�_` ` r 1 J r SPACE (/ EE f 28 i5 ETAINfNG WALL ' tb m N ��, E$Sr
uNLEsS NOTED fJTF111aY 15E ATE 9az.93 ��w�� 9°yy PROP. .-7 s
NIP/EIF' fiIEW/EXISTINCyIRONPIPE zPlJd#fPa68-- 4505� INV �x �-��s9 sIDEwALK ri•# 3 SEAL -
r_
I LOCK 3170 LDT 00f `� J-~ =yy 8� 4 S5" 4csMr_ f S7Y�,_ r - M - GG faAE k I �� i
NIR/E#R NEW/EXISTINCG IRON ROD cy " 4 � �_\� J �[ tI! ` �C�: 149$4
Nt iN/i MN NEW/�x157ING MA�NETiG NAIL "DB. 3373, FG, 3012 � y \ 02' x�;ate Y �p,� f 25 l 3� ,.,c, I t�� !�
1 ) ZONING R5g �60 r \ W r )Nw& fiS 7' / -°vJ r I A �E I I �` \
® NON-MONtR•'IEKI�POINT y f _\ �[` ~ \ - - •1 a J \"� \ .f �� •., 1NEE �,♦
L/ v - -3\ G, i;/*'"•��eSMr r r 40- F E: 97 F E: M.00 1 i �� 1 r P
Q it GONT1$lJL MGTi1MENT �Q
j � ,p ,/��� r r�D" { s f�. '� y ` . NT • -= `. y�... �xa��'L � )� � =_ '�, ; � 3 ---• , � >b � b � I � ��_ ��q�� n r ►�
❑ fZW DISC I Y' r/ Y
RhI ; /� j I ?2)UO W FD #r1��� # _ ' 33 r � t° 8102 ELL ,�1 I� RETAINING ` \
RIGHT OF WAY + Rl �r�+ -_ / ' 1 WALL
DB 17> v l3ooK `\ 7 -,f OLD STILL VENT�1 5, LLG ,F ; 5 - ��� } �wr�ory �1 �t#�R � 1 /
f, 1 FIN#6060 2i-a4 Jr f�9/C�4/24
Pe PLAT 13oac �r BLOCK 5g2L'OT 0036 a p _.\ _3 y Rio �32y. fit 4 � 32 I'T1 f R� � I�� KAREN BARRON DILL_ON
=Crj
GENTEINE DB. sg! FG. 407 } l '� !m PIN 6866 31-05�2
28,3 28' 28.3' } ` _4 PREP. CONIC ��� PF r I BLOCK 5111 LOT 0326
AG- ACRE r ZONI R59 Il` c w f \ \,� SIDEWALK { ♦I���T �� }
f I D13 30e4,FG. 33;11
SOFT. SQUARE FEET } ! ! � / �~e B aSys \ \ �� t M A ES PRO ` 1 ZONING l2520
K D K \ - - - W � � la 5TREET "'ram _ 978
D15T. D15TANGE "' "'
f'.5 D F. PRIVATE STORM I DRAINAGE EP�SETNT \ \ I // �) ` _ ! ^ �� _ GRAr_58 r w 3 \ \/�` 4 rp , /r
r\T\ I` fl _'� f GUY �� \ \ "97839 `r�� _� \ ■ rn7 14' �_ W HH
MBL MINI BUILDIN6 LINE t J f 1 1 C f 9) 9 I F
r I 1 }
28' C UNIT HEIGHT:32't \- n t1 I •-
U.E. UTILITY EASEMENT 34.3' 34.3 } / Jam, OARTH.JOY \ \ ` ae \ `-•\ ■ =9Tq 1 / �� -'-"� ---•
HGR HANDICAP RAMP Ccrd D UNIT HEIGHT:31't t � ff � I ` {� l PIN#6868 21�� � � � J
DF. DRAINAGE EA5) FIT SICEWALu E UNIT HEIGHT:23't \♦ ! f 1 J 1 { 1 BLOCK 51-V LOT 0058 \ \` 1 EX.SAN Mill � # N Jl ��- �� � � y l�\ a 1 _ �Y �_
F UNIT HEIGHT 22' 1 \ ! ` INV 975 } \ y i I� 1` ¢ss _ r MAIN M�Ncs{ 9 9 rn �J K�1��N BARRON DILL�N 13
FIG FACE OF CURS K UNIT HEIGHT:30't \ } ' 1 l / } \ 1 - �� ^I EET
R/W z J F1N# 6 21-949 ! Z
STREET TYPICAL BUILDING MAX. HEIGHT: 1 t` 1 '� } �} ZONiN� .' \ , �-� \y > (� fl gLOCK7 Q 13l
f I f 1 1.0'NEGATIVE AG ESS SM'T. axe. LIq P�RD RCP S1�
f ) ) E ADJA6�NT TO OLD WOLLQW ROAD \
s.s.3. 5MITAW�R NOT TO SCALE ! < �y PRQP�S SIDEWALK AEON OLD HOL I mo_�- _ . Er.D Ex. 15R c _ �_ �I 5„. . ,` DB. 3oe4,Pa 3--bb
t 1 , f f I PROEF2TY EWES. \ 970.;; • w > sWIN t s ZONING lF'S24
su�vt r D LINE 1 J r RD, �HWI( 66) WILL BE PR0111DED BY NGDOT 1 1 \ �. -�, ,�� �; 0
1 WITHIN TIC PROJECT U-5824. f f GHRISTOPHEI1'\ KEY \ �. " PROP. 5' CONC.
Il NOT RRVEYEP - _ �. - `, f r\ } L { 1 1 r FIN#68b6-21-43 4 \ �, ■era r171F '
REZONING NOTE: X g Lx.01 - o �, STPR SIDEWALK ENDS
EASEMENT LINE E E / 11 \\ \ }� \ / (� I f r BLOCK 5170 LOT 01 ,l 1 EX.D \ � ex �` STOP 972.53 �� `_� �+ "� �4T PROPERTY LINE V � 0
L6 3654, FG. 32g4 1 N L �� J Z
CONDITIONS FROM WHITEHALL VILLAGE(WA-024)THAT ARE STILL ' ) ' TOP 975R Ex.3aN►a ` ` _
1 ZONING R.Sg `-\ INV 472 32 � � S
RELEVANT WILL CARRY FORWARD TO THIS REZONING.SEE BELOW. �''') �I /.', "� I I J I T �I \ I J TOP 97 L
L/RA I I I A, J■.■ C A L�V L A I I o i �L \ t I I INV 965,16 -" z. /
1t ...INp1eAT�s 12GP PIPE STORM STRUCTURE INFORMATION 1 GARRET7 L. BODB�dRD ``�_ -�^Ex.eI
RATIONAL. METHOD: Q = GIA 60 YEAR STORM) CIE...INDICATES NYLO-PLAST(PVC) # MARIAN N. HUTCHIN Ntl 96�9? y `
WALKEWItDWN-SPECIAL(ISEDISTRICTPERMIT STRUGT. 57RIJGT. TOP INVERT IN INVEf2TOUT 1 1 I ' �c;�-` ` \ .'---
PIPE AREA TOTAL GOES. RAIN G x i 12UN01-F 4'11'E SIZE NEI=BED PIPE Sty USED LABEL f1 i�E ELEV. ELEV- ELEV. F1N#686b-21�226
Nlon,xnentatlon Notes: # AREA FALL (GES) I I J y / l�1 "Am
SPECIAL USEDESTRICTYII}IPACT SIZE SLOPE GAP SIZE SLOPE LEtJBTF ' I BLOCK JrI70 LOT 008E � LACrJ'7t�I�! yY, lY
Ir order to enhance drawing clarity, labeled or unlabeled clrcle5 may A P.I. ab-1 - gb5.00 J J 1 v -
D6. 3597,PO. 7� ) / A5HLEY M. MAR / EX. DI l
be placed at the terminus of Iinee and at points of curvature, Issued by theTbwrCouncil B D.I. 1766,00 g63.50 g83.4o / }'
E O.OS 0.05 0.60 6.84 4.10 021 8" D.03 0.21 8" 123 I22' CIE
tangency and Intersection. 1Nhen said points form a property or Z RSg 1 PIN#belie 21-722 r \�- TOP IN 9653E \
of the Town of Walke•town G O.I. g86f0 g83A0 R82.R0 ! r � s�rc
boundary corner the existing monumentatlon dlsGovered at that point 2 OJ0 0.15 0.62 8" 0.25 D.62 8° 0.5o So° � ,< I / BLOCK.�i170 LOT B I ��INv OUT 985.24
15 shown. Gil labeled ' IR" or unlabeled empty nlrcles are 5/S" D G.I. g84b0 g82f0(3)(b) g81.g0 DB.23e7, PG. 18 4 / JANA HHl R EJNINO ��'�
p y 3 O.DS 0.20 0-82 b" 0.43 0.82 8" 053 ibq' � I 1 } � � � 7
New Iron Rods (rebor)- Circles with on 'I are placed at points that E D.I, 986f0 - g83E0 ! ZONING RBFt rr Z P1N#6� -2 2�\ / J �1` S
The Town of Walkerlown Council a S cid Use District Permit for the site 4 0.12 0.12 0.44 a" O.Ib 0.4q 8" 0.52 154' 'CIE '7 E EX.PIPE \
are either not recruited to be monumented, such as meander points F D.I. R86.00 gb5AC IMDO f r 1 BLOCK 517p LOT Ol0
referencing a water GOVrSe boundary, or points Inaccessible due to shown on the sift plan map ineludod in this zoning petition of George Sowers(Zoning 5 0.07 0.Iq 0.78 8" 0.40 0.18 8" obo 67' S I DB.2022�F5.2b)7
obstruction, the latter Case beln referenced as shown.
6 D.I. gBb.CD R82b0 g8250 7 r
physical g Docke WA-624), 'fha site shall be developed in accordance v 3 he plan approved by 6 0.01 0.20 0.82 8" 0.44 0.82 8" 35 31` I ZONI1Vl r / / f I l
H tu
F.ES. - - g61.00 EX.SAN YI}i
the Council and bearing the inscription: "Attachment A,Special Use District Permit for 7 CAI 1.31 50-1 15" 0.67 55-1 15" 15.0 5' # // / TOP 966..18� t
1 P.I. 487D0 g84S0 ✓�i . /_\-�r INV 958 '�
Whitehall Village appr owed by the Town of PJalkertown Council the 28"`day of July, 8 O.OS O.OS 0.21 8" 0.09 0,21 b" 3' 105' J END PIPE - - ql5= J / INV M2
SITE INFORMATION: 2005"and signed,provided the property is developed in accordance with requirements of q 156 156 6.40 15" OA5 6.40 15" 0.50 60, #$ K Y.I. q��T g16.90(6'PVC) a78� LEGEND INV 9V.43 T
Ow RM-B-S zoning district of the Zoning Ordinance ofthe UnifiedDevelopmenr 10 0.03 0.03 0.12 8" 0.02 0.12 6. 1,51 12-7' L EX.G.I. g83.46 g18.48 f1=X "ll(q) fie• EXISTING CONTOUR
I.ADDRESS 3201 OLD HOLLOW ROAD
Ordinances oflhe Town Code,the Erosion Control Ordinance,and other applicable laws, II 0.14 0.17 0.70 b" 0.33 0.70 8" 2.00 120' � N D.1. ga6.3o - 463.60 PROPOSED CONTOUR
2.COUNTY:FORSYTH COUNTY and the following conditions met: 12 0.12 0.2q LIq 6" 0.q2 I.Iq 8" 1.26 III' N al. R84f0 g81ar0 461.40 984•' ' '
MUNICIPALITY:WALKERTOWN 13 0.10 0.3q 1.60 12" 020 1.60 12" 0.60 61' 9IE 0 D.I. cl 1I 4715AD r.■■■■■■�� DISTURBED LIMITS
• PRIOR TO ISSUANCE OF GRADING PER..MITS: P DI doom g11S0 q-f-1.20
a. Developer shall have a storm water management study submitted for 14 0.05 0.03 0.12 15" 0.01 0.12 15" 1.90 25' # 24 - STORM DRAINAGE PIPE NUMBER
3.REID:6868-21-0813,6868-21-3669,&6868-21-6590 review by the Public Works Department ofthe City ofWinston-Salem # a GJ. 0930 crbW05)CII114) g16DID
b. Developer shall provide a 15'wide undisturbed buffer along both sides 15 0.0-7 0.4q 0.60 6284 4.I0 2.01 15" 0.10 2.01 IS" 0.73 41'
of the existing stream,measured from the top ofbank. This undisturbed R G�. g6090 - g76b0 CC . . . . STORM DRAINAGE STRUCTURE LABEL '
4.SITE ACREAGE:±6-874 Ac-TOTAL €b 0 62 11 4.55 15" 0.41 4.55 15" 25 24' #
buff¢,shall be clearly flagged on site. 5 GJ. g80A0 R15.10 915bC7
G. Developer shall obtain water quality approval prom the NC DENR. 11 0.61 1.12 7.05 le" 0.43 1.05 ib" 0.47 ICI' �$ ppl� . . . . BIO-(.'ELL CLEAN OUT
`- 5-DEED REFERENCE'DB 3492,PG 261 T GI. g1R.90 g15.30 g-I5.00
g VRIORTO SIGNING OF PLATS: 18 0.0& 0.08 0.55 8" 0.01 0.33 8" 0.55 126' GENERAL NOTES:
Q a. All documents including covenants,restricdons,And lionreovners' U Gd. gTf.gO 9T4.1007)915.10(19) 9?4.0a FFE: 979.00 FINISH FLOOR ELEVATION
6- PLAT REFERENCE-NA association agreements shall be recorded in the ofticeof the Register of 1-1 O.Oq 0.17 0.70 b" 0.99 0.170 8" 0.52 114, 9!E V D.I. g7q.00 - 116.''-O 1.ALL DISTANCES ARE HORIZONTAL GROUND DISTANCES UNLESS OTHERWISE NOTED.
Deeds.Final plats must show common open space declarations. 20 0.47 2.36 qb8 IS" 0.80 q.66 1&, 0.85 53`
b. Applicant shall record appropriateOeclararionsandCovenants, # NI D.I. g7gD0 g1580 g15.10 2.ALL BEARINGS ARE GRID BEARINGS.
7-ZONING'RS-20&RM8-S Conditions and Restrictions to establish a Homeowners Association
21 0.02 2.38 q.76 15, 0.81 9.16 18` 0.84 48' # X D.I. R7620 gT355 g13.48
N responsible for the maintenance,and if necessary,replacement ofall - -
buffwvardulantinas. 22 0.05 0.05 0.12 b" 0.02 0.12 e" 2.q7 115, ;IE Y EV PIPE g73DO 3.AREA COMPUTED BY COORDINATE GEOMETRY.
o8.EXISTING LAND USE:VACANT a Developer shall dedsc„tea46'gieenwayeasemertmeasrred from the
c 23 0.17 0.20 0.52 S" OA4 0.82 &" ow 138, Z D.I. c1l - g85.D0
top of bank along the south side ofwest8elawsCreek. 4-THE LOCATIONS OF UNDERGROUND UTILITIES SHOWN HEREON ARE BASED ON ABDVI=GROUND r n ¢
9.PROPERTY IS LOCATED WITHIN A SPECIAL 24 0.24 0.44 1.8a 12" 0.25 1.80 12' 6.12 95' 'IE AA D.I. g84.00 g8IW 161,40 GRAD INCH 4-
PR. OaT ISSUANCE PERMITS: STRUCTURES AND RECORD DRAWINGS PROVIDED TO THE SURVEYOR. LOCATIONS OF UNDERGROUND
FLOOD HAZARD AREA AS DESIGNATED BYFEMA- a. on-site Era hydrantlocatonsshalCbeapprovedbytheCountyFre 25 0.04 0,04 0,16 8" 0.03 0.16 e" 056 11' HB D.I, 962bC7 98030 g8000 DL^� 1� IT I /1��
Department in writing to the Inspections Division. UTILITIES/STRU CTURES MAY VARY FROM LOCATIONS SHOWN HEREON. ADDITIONAL BURIED UTILITIES! RA 1 A
m (REFERENCE:FIRM MAP NUMBER 3710666800J, GG D.I. gT180 g1480(24)415J0(25) g14.10
3 U. Developer shall obtain a driveway permit fmmNCiJOT;additional 26 0.14 Ob2 254 12" 0.44 2.54 12" 0.56 125' 31E STRUCTURES MAY BE ENCOUNTERED. NOF,CCAVATIONS WERE MADE DURING THE PROGRESS 0FTHIS PLAN
v DATED 1-2-20Q9}. improvements may beregturcd prior to issuance ofdriveweypermits. # DD D.I. RI - g7550 SURVEYTO LOCATE BURIEI3 UTILITIES/STRUCTURES. QUML
r- G. Developer shall record a Final plat in tht Office of the Register of Deeds. 21 057 057 2.34 12" 0.43 2.34 12" 0.57 106'
rn Ell D.I. 418.00 g14DO(2b)g13.10(21) gT3,b5 KE--r5TONE 6RDUP,ING
Final Plat shall show lots,common areas,public streets,easmtents
1 10.VERTICAL DATUM: NAD 83 inctudin ant tiveaccesscasementalon Old Salem Road,and 28 0.03 22 500 15° 058 500 15" 0.58 q4' # 5.UNDERGROUND UTILITIES WERE MARKED BY SUPERIOR LOCATE. THIS SURVEYOR ASSUMES NO 3108 ALLIANGE DRIVE
-
utilities.g S , 2q 4.04 4.04 0.60 b.B4 4.10 1656 24" 0,50 16.96 24• 050 111 # G.I. 9TT.10 gT3•0 RESPONSIBILITY FOR LOCATION OF THE UTILITIES. ALL UNDERGROUND UTILITIES MAY NOT BE SHOWN. 6REElN5BORO,NG 2-740-7 CJ�i�I_ 1 50
�I utilities. 11 I
�1 11-SITE IS NOT LOCATED IN A WATER SUPPLY CIO E1tD�� � CONTACT: Scott WAIIAGe
m PRIOR TO ISSUANCE OF OCCUPANCY PERMITS: � Y I 71itOAT g66.10(6"PIG) '�
N mesa 56A�Sf24.1 6.ALL BUILDINGS,AND SURFACE AND SUBSURFACE IMPROVEMENTS ON AND ADJACENT TO THE SITE ARE
V WATERSHED. a. All required fire hydrants shall be installed in accordance with the PHONE: (536)b56-0III
County Fire Department. NOTE; PIPE DISTANCES ARE GENTER OF 5TRUGTURE TO Gll OF 5TPV-TURE. [F EE.S. - g6gf0 NOT NECESSARILY SHOWN HEREON.
N FAX: (�3v) -13 DATE: I-4-2rJ2�
b. Applicant shall install a Type[V bufferyard consisting of Leyland
�I Cyprus trees planted eight feet on::enter,to be at least six feet tall at beML OF APPLIGABLEI e-mall: 5viallaee®gokeystone.com
W planting, -ALL C�INLET5(II ARE NII 57Y1.E(5T1),8400) 7.SUBSURFACE AND ENVIRONMENTAL CONDITIONS WERE NOT EXAMINED OR CONSIDERED AS A PART OF
GRAPHIC SCALE -ALL CURB INLET TOPS ARE TOP OF OM. THIS SURVEY. NO STATEMENT IS MADE CONCERNING THE EXISTENCE OF UNDERGROUND OR OVERHEAD EN lk�. 1.7E p, 22
• orlfEn xEQrsR>mENrs: -ALL DRDP INLET 0.0 ToP5 ARE TOP OF GRATE. CONTAINERS OR FACILITIES THAT MAY AFFECT THE USE OR DEVELOPMENT OF THIS TRACT. L�'K7 1�1GL.I� F'��J�GT f CJCJ
a L Ruxton Drive shall be constructed as shown on the site plan,but -ALL DROP INLET-(D.I)ARE W DOT 5raF(STD.640.14) - GPT EN6INEI=RING t 5URVE'l INC,
m applicant will install a gate across the nmel at the property line NOTE:
m 50 0 b0 50 100 200 extdetin t aflPc to emcr e EB`a•'HAM eW 5EGTION
g g ncyvehieles and pedestrian 1 atTconly, 8 THERE IS NO U-S-C&G,S-OR N-C-G-S-CONTROL MONUMENT LOCATED WITHIN 2000'OF THIS PROPERTY. 4400 TYNIN6 STREET
until such time as the Town Council authorizes,by appropriate THE TOWNHOUSE. UNITS DRANN BY: JES, MV
ordinance,the full opening of Ruxton Drive. 416H POINT,%21265
o WILL HAVE A MAXIMUM OF 9.THERE ARE;NO WETLANDS ON THIS SITE:ACCORDING TO MICHAEL BRAME WITH PILOT ENVIRONMENTAL,INC. CONTACT:GHARLE5 P.TI2UBY,JR. P.E.,P.L.5.
N THREE BEDROOMS PER PHONE: [phone] ext:304
m ( IN FEET ) UNIT TRASH PICK UP BY PUBLIC CURB SIDE PICK UP. Fes' [phone] SHEET C 4
W 1 inch = 50 ft. err�lll: [e-mail]
N
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Table 12-2 REVISIONS
Sample Operation and Maintenance Provisions for Bioretention Areas
MAINTENANCE C�UIDELINES,� r ) ` Ll J 113
�
- BIORETENTION FAGILIT€E5 WILL REQUIRE A REASONABLE AMOUNT OF ROUTINE MAINTENANCE (NOT TOO BMP element: Potential problems: How to remediate the roblem: i ° a a tit
DIFFERENT FROM GONVENTIONAL. I-AND5GAPIN6 MAINTENANCE} TO ENSURE THAT THE SYSTEM BOTH � � � [� ` � O REV: 04-02-24, NCDEQ COMMENTS
The entire BMP Trash/debris is resent. Remove the trash/debris. !� + `
FUNGTIONS WELL AS A 5TORMNATER BMP AND MAINTAINS AN AE5THETIG ELEMENT COMPATIBLE WITH �� i c a LnCID The perimeter of the Areas of bare soil and/or Re grade the soil if necessary to � � � REV.: 07-31-24, NCDEQ COMMENTS
THE 5URROUNDIN6 LAND U5E5. F / y 1 ��
bioretention cell erosive gullies have formed. remove the gully,and then plant a \ - �� / r.� °' 4 a r\
- BIORETENTION FACkLITIE5 5HOULD BE INSPECTED ON A SEMI-ANNUAL BA515 FOR THE FIRST YEAR, AND mound.cover and water until it is
AFTER MAJOR STORM EVENTS.AFTER THE FIRST YEAR, ANNUAL IN5PEGTION5 SHOULD BE 5UFFIGIENT. established. Provide lime and a
- THE FOLLONING GENERAL MAINTENANCE GUIDEANGE 15 RECOMMENDED FOR BIORETENTION SYSTEMS: one-time fertilizer application.
ANTIN The inlet device: pipe, The pipe is clogged(if Unclog the pipe. Dispose of the I V /� \ \
' stone verge or Swale a livable}. sediment off-site. � l �_ "t N �
cc
- THE SOILS OF THE PHE PH
BED SHOULD BE~ TESTED SHOULD
AN ANNUAL BASIS FOR pH 15 ESTABLISH The pipe is cracked or Replace the pipe. \ ' �� n N
ACIDIC LEVELS. IF THE HIS BELOW 5.2,LIMESTONE SHOULD BE APPLIED. IF THE H 15 ABOVE ..
6
otherwise damaged (if N
Z-O TO 8-0, IRON SULFATE PLUS SULFUR CAN BE ADDED TO REDUCE pH. g �- I � � � � Q � •
- THE 501L BED MAY EXPERIENCE 50ME EROSION,PARTICULARLY AT THE INFLOW POINTS, PERIODIC FE
applicable.). g �- (� 87- 50 4
INSPEGTION AND GORREGTION OF EROSION MAY BE NEGE55ARY. Erosion is occurring in the Regra.de the Swale if necessary to I EF • a q. IL
Swale (if applicable). smooth it over and provide erosion x ` V a
7 vvv
- THE S-URFACF OF THE BED MAY BECOME GL066FD WITH F NE 5EDIMENT5 OVER TIME- GORE AERATION ed -p L- ...� a
control devices such as reinforced }
OR CULTIVATING OF UNVEGETATED AREAS MAY BE REQUfRED TO ENSURE ADEQUATE FILTRATION. b5 a
turf matting or riprap to avoid
future problems with erosion. n \ (� a
PRETREATMENT. INFLOY4 LOGATION5. AND OV _RFLOK Stone ver e is clogged ed or Remove sediment and clogged
1 a
g g8 gg a. d
.... .-..___. ' I ` a
THE VEGETATED FILTER STi�IP OR GRASSED CHANNEL SHOULD BE INSPECTED FOR EROSION DILL OR covered in sediment(if stone and replace with clean stone. � � � � Q � d d ° """"" � a '
6ULLEY5 AND GORREGTED A5 NEEDED. BARE AREAS SHOULD BE SEEDED,OR SODDED, AS NEGESSARY. 1 7 a '4
a livable>. 1 TYPE I� s 5 O P E N
- THE ENf=LOW LOCATION SHOULD BE INSPECTED ANNUALLY FOR GLOGGING. SEDIMENT BUILD-UP IS A BMP element. Potential problems: How to remediate the problem: I I `° p- d .
COMMON PIZOBLFM KITH MANY PRAGTIGE5 lNERE RUNOFF LEAVES AN IMPERVIOUS 5URFAGE AND The pretreatment area flow is bypass' Re grade if necessary to route all BUFFER YARD e ° 9gg a
ENTERS A VEGETATIVE OR EARTHEN SURFAGE. ANY BUILD-UP SEDIMENT SHOULD BE REMOVED TO F g y r 9 ". a ~� S P A C E
pretreatment area and/or flow to the pretreatment area. GON515T5 OF: LEYLAND GYPRE55 � i � 4
AVOID RUNOFF 5Y-PA55IN6 THE FACILITY. , `-I• ,,,tea a
gullies have formed. Restabilize the area after adin . TREE5 PLANTED 6 O.G. 4 AT LEA5T -. G d e
- THE OVERFLON 5TRUGTURE 5HOULD BE INSPECTED ANNUALLY TO EN54JRE THAT IT 15 FUNGTlONINO_ K 4., e
Sediment has accumulated Search for the source of the 6 TALL AT TIME OF PLANTING � � 1
ACCUMULATED TRASH AND DEBRIS SHOULD BE REMOVED AS NECE55ARY. -\� / ��
to a depth greater than three sediment and remedy the problem � � ��.J�� 4 • Y YfrtLK°
inches. if possible. Remove the sediment �_ I a / �,� a
and restabilize the pretreatment a a b1 P�� J�
TABLE 1.0: MATERIAL SPECIFICATIONS area. \ 00 CCLU i q ° �� S�4 � ,• VALLEY � 7 r 1v
Erosion has occurred. Provide additional erosion i c G �� 4 (� r Y T
P�4RAMETER SPEGIFIGATION SIZE NOTES protection such as reinforced turf I L1 ° � J��SS C CX 7 A �� J
-1' L`f , �p
matting or riprap if needed to ° �� IUI MAIN
PLANTING 501L REFER TO WOE0 5TORMMTE2 MANUAL WA reventfuture erosion problems. �� (TYP.) "� / ACCESS ,
PLANTINGS REY�R TO NGDE0 5TORMWATLT2 MANUAL VARIE5 N/A Weeds are present. Remove the weeds,preferably by BEGIN PROP. ` VALLEY L JJ Es1V1 Z �Q
hand. (� rr
AGED b TO 12 F 5 0 ) a t`
MULCH SHREDDED HARDWOOD N/A MONTHS, MINIMUM The bioretention cell: Best professional practices Prune according to best RETAINING LLLJJJ �' n 00 ` C'& , 4 Q
AGED 6 TO 12 vegetation show that pruning is needed professional practices. WALL u ' a 0 1 Z I N
to maintain optimal plant r, Q c] a a c, _ l0 ry PEA GRAM:L USE GLEAN BANK- TW: 986.0 I !I { \
health � �+-.tl r t�DIAPHRAGM AND ASTM D 445 51ZE NO. 6 VARIES RUN RIVER PEA Plants are dead,diseased or Determine the source of the TW: 986.0 SW- 981.0
GiJRTAIN DRAIN (APPROX-ua -va°) GRAVEL c c
EX. mac. °`
dying problem soils,hydrology,disease, `� \ 8W, 984.0 pE OVER AROUND } m
U5E GLEAN BANK- etc. Remedythe roblem and LJ E 1�J Q L K a< a 4. ( W � -
UNDERDRAlN #5� STONE I/2 - 2" P Y y r 1 PROP. BIO-CELL G CO `� O as -a X
GRAVEL RUN RIVER PEA replace plants. Provide a one-time „ Qv �,� , } END OP. a °
GRAVEL fertilizerapplicationtoestablish _� E �. \ CJ T i 6 TOP SOD, �' �/ ,� IV I f H V_ O-
the ground cover if a soil test
3/8" PERE, @ 6" indicates it is necessary.If sod was �j �'' "" RETA 1 N G z _
PVG PIMN6 AA5HTO M-2-15 b" - RIGID GENTER5, 4 HOLE -� - � 3. 1 EI-EU,: 981- �- Z
used,check to see that it was not yyr� -� ry ` LU z F
SCH. 4o P1rR Izow y P DQ ` l R T, 8 r f'VC �H - P . } < (S`2 M o
own on clay or impermeable
soils. Replace sod if necessary, r 0 Q \ O�V E L _ Q
Tree stakes/wires are present Remove tree stake/wires(which ITS .� r .4�7 CD 8 11
6
six months after planting. can kill the tree if not removed). �` \ ` \ O' 1 , Z i__ ry
The bioretention cell: Mulch is breaking down or Spot mulch if there are only \ n \ CO 3 �/ O O
soils and mulch has floated away. random void areas. Replace whole \a a\ �� 9� \ �0 2 1 Q IL Z
mulch layer if necessary. Remove _` \ c \ ` ��G� \ � 6„PV DWI E O R & AROUND 1 LU Q O m
the remaining much and replace a + C �I v
with triple shredded hardwood PROP' ��-CEI I'
mulch at a maximum depth of LLI
I 1 t� O
three incites. \ -,� \ CO❑ I Z
Soils and/or mulch are Determine the extent of the ` a 1
\ o J
clogged with sediment. clogging-remove lay replace © ` 4
either just the to layers or the V entire media as needed.Dispose of \ OPEN
OR�TENTI ON MEDIA REQU I RFMENTS the spoil in an appropriate off-site �`
THE MEDIA SHALL BE A HOMOGENEOUS SOIL MIX ENGINEERED MEDIA BLEND location. Use triple shredded hard `" ` ` \ 7 - ram_ 8» JPAD
WITH APPROXIMATE VOLUMES OF: wood mulch at a maximum depth ` \ ` ` P VC
of three inches.Search for the
A) 75 TO 85 PERCENT MEDIUM TO COARSE WASHED SAND (ASTM C33, AASHTO M 6/M80, a \ 8 I
source of the sediment and remedy \ \ \ � 39 _�\
ASTM C330, AASHTO M195, OR THE EQUIVALENT): the roblem if ossible. K
\ r \ �` �ttSltttilltt
B) 8 TO 10 PERCENT FINES (SILT AND CLAY): AND BNW element Potential problems: How to remediate the problem: ` L K. �� O �s � �- -r - t' 1�1
C 5 TO 10 PERCENT ORGANIC MATTER SUCH AS PINE BARK FINES). The bioretention cell: An annual soil test shows Dolomitic lime shall be applied as $$ ` ) ' �j3.j8 `Y \ ° \ I O` ' 44 2 5 4 V V ��.
soils and mulch that pH has dropped or recommended per the soil test and
- MINIMUM 1" PER HOUR INFILTRATION RATE MUST BE MAINTAINED. (continued heavy metals have toxic soils shall be removed, • Q (� ] �:' e4` 9r
- MEDIA TEST TO BE SUBMITTED TO LOCAL GOVERNING AGENCY FOR STORMWATER accumulated in the soil disposed of properly and replaced = �\ ` ` Q/i. V 2 . :1 3 / � � SEAL
AFTER CONSTRUCTION ALONG WITH CERTIFICATION. media. with new plantingmedia. \ = = " ' g• v \ ` \ rVQ ` sn 14984 E
- MEDIA P-1 NDEX PHOSPHORUS SHALL NOT EXCEED 30 IN NSW WATERS AS The underdrain system Clogging has occurred. Wash out the irnderdrain system. �� \ r \ r l may'• �`
(PHOSPHORUS) if a livable \ \ \ -�� _.` ��:T \ �'�� " ��G f N E E�
DEFINED IN 15A NCAC 02B .0202 AND SHALL NOT EXCEED 50 ELSEWHERE. The drop inlet Clogging has occurred. Clean out the drop Wet. Dispose � � � � S W
MEDIA SHOULD BE SENT TO NC DEPARTMENT OF AGRICULTURE LAB OR OTHER of the sediment off-site.
REPUTABLE LAB FOR ANALYSIS OF THE P-INDEX. IThe drop inlet is damaged Repair or replace the drop inlet. / 4� lot 1110
The receiving water Erosion or other signs of Contact the NC Division of Water �,/ r.� J� \ °
- MEDIA SHALL NOT BE PLACED BY MECHANICAL MEANS OR COMPACTED damage have occurred at the Quality 401 Oversight Unit at 919- � � � �� -� �7I31I24
MECHANICALLY. IT IS RECOMMENDED TO EITHER WATER IT OR WALK ON IT AS outlet. 73317s6. 1---
IT
IS PLACED. N 881 ,786-10 \ \ 984 \` -
-CONTRACTOR SHALL SUBMIT A CERTIFIED COPY OF A SOILS TEST REPORT 57 1 Q \ ` ~ E X. c V C. 1C1
FOR THE PLANTING SOIL PRIOR TO BIORETENTION AREA CONSTRUCTION Notes: E ,661 ,J 54.57 °. X.. NGC T u
MEETING THE MINIMUM PLANTING SOIL SPECIFICATION. The engineer's certification of completion will be required prior to the final plat > ,t �`' fi ` 6 rr�] era, 4 a 3 S D E WA --- lc 9�5,L 5
or certificate of occupancy.The stormwater control is to be inspected to ensure it is LAT 36� 02.6 235 N �. - -- 0/
functioning as designed and has full design volume prior to issuance of the any a x 1t ti, \ v� \ ] Ij ATE 984,6
certificate of occupancy. LONG -80't 42.7968 W
The property owner(or homeowner's association)is responsible for maintaining ` 1 `O �Y \ v ���l G�2.1 0
the stormwater control(s)according to the approved maintenance plan and direction of
the City of Winston-Salem.
The City of Winston-Salem and their assigns have right to access the stormwater l f yY ° 4 . __4
control(s)for inspection or maintenance,as necessary. ! 1.0' NEG"E ACCESS E .T. �� Z
\ ` I ADJACENT TO OLD HO LOW F3QA
NOTEs:
BRICK MASONRY CAN BE PROPERTY LINES. � 1" � , `� � � � ` �Y _ ° � '
\ \ I
COMMON CLAY BRICK, JUM60 (�
BRICK, OR CONCRETE BRICK. �i OL O
CONCRETE 8 BRICKS ASON B 1 Q-CFL L # 1 -A 7-
BE PAID A5 BRICK MASONRY.
15" RCP ALL MORTAR JOINTS ARE
SCALE 1" = 20r , >
TO BE ;</2"t r/a" � ��
CU CONCRETE COVER TO BE PAID
FOR UNDER ThIE PAYITEM PROP. YARD INLET IS �
4X4'PRECAST CONCRFT£
YARD INLET CODER THROAT EL.: 983.50
ENGINEER'S CERTIFICATION OF STORMWATER QUALITY CONTROL FOR DEP&S 0VER 4_0' USE INV. EL.: 982.00 (1.25' WEIR) -A ()Ici 7-
6" PLUG STEPS ON 16" CENTERS
I CERTIFY THAT,PURSUANT TO GENERALLY ACCEPTED ENGINEERING STANDARDS o STEPS SHALL BE IN ACCORD- PROP. INV. EL.; 982.50 (1-0- WEIR) B E R M U DA GRASS SOD.
IN THE COMMUNITY,IT IS MY PROFESSIONAL OPINION THAT RUNOFF FROM THE Cx8"-- N tr AGENCIANCE ES3 , LOCAL GOVERNING RETAINING WALL INV. EL.: 978.80 (9) 15" SOD MUST BE GROWN ON Know WIl� 'S �3eIQW. # Q
FIRST INCH OF RAINFALL FROM AREAS THAT ARE REQUIRED TO BE CONTROLLED TEE INV. EL.: 976.90 A PERMEABLE LAYER (SAND) Nall before you dig.
BY A PERMANENT ENGINEERED STORMWATER QUALITY CONTROL THAT HAS BEEN 5URFAGE AREA F ROVIDED: 3,459 5.F. > n Q
DESIGNED TO MEET OR EXCEED THE REQUIREMENTS IN THE TOWN OF WALKERTOWN f FOR PRECAST CONCRETE MODELS OF THIS PROP. GRADE TRANSITION �,_L
UNIFIED DEVELOPMENT ORDINANCE WATERSHED PROTECTION,ARTICLE Nl. B L B STRUCTURE THE MANUFACTURER SHALL f �
STAMP OR STENCIL 1 TS LOGO OR NAME s R ETA I N I N G y e a
s` ON 7x1 INSIDE& OUTSIDE OF rHE STRUCTURE. WALL �..// '� OL
PVC A -------DEDUCTIONS FOR ON£PIPE
RIP-RAP
PIPE 517E C.M. R.C. FLOW I 1' 1=)TI� 1--
12" 0.020 0.D32 I FOREBAY �Lopti FLOW ENTRANCE C�
4uON 15' D,OJI 0D47 ------- I - TOP OF BERM ELEV.: 984.00 FLOW #i7 POINT
3:� �Apl
PLAN ra a o44 aDss 10-YR STORM ELEV: 982.99 is �e� - - --- r S„PVC PIPE#8
tu
FLOW
2-YR STORM ELEV.: 982.40 - -- - TOP OF SOD ELEV. 981.00
1-YR STORM ELEV.: 982.18 = -- ___ __ - -NON-PERFORATED PIPING TO -_ _
CONCRETE co/ER 8"X 8"BRICK PIER CONCRETE COY£R B"X B"BRICK P)FR .2:J'. _
EI�GLr__GONSTRUGTION SEQUENG : AT EACH CORNER TWO AT EACH CORNER Two ( -:: SURFACE WITH CLEANOUTS (TYP)
GEOTEXTILE FABRIC PLANT I�G:: :__:--:: :'-=-: .
M COURSES HIGH COURSES NIGH /� RIP-RAP F OREBAY
1. PRE-CONSTRUCTION MEETING WITH EROSION CONTROL INSPECTOR TO GET GRADING PERMIT .- _ _-- = 1.0' PO N D I N G STO RAG E AR EA Sfl(L-
o WILL HAVE ALREADY TAKEN PLACE. a -. '-- Y - • °-- 1
INV. 15" RCP 978.80 Q
2, THE SITE W€LL HAVE BEEN CLEARED AND GRADED WITH EROSION CONTROL DEVICES IN PLACE TOP O F SAND 978. 0
ACCORDING TO THE APPROVED EROSION CONTROL PLAN. ONE (1} SIDE ONLY ONE (1} S DE ONLY CLASS I R IP-RAP
0 3 ALL AREAS OUTSIDE OF THE NEW BUILDINGPADS/PR€VATEDRIVECONSTRUCTIONSHOULDWAVE THROAT ELEV.: 983.5o OP '(1) 1.25' OPENING AT 982,00 THROAT ELEV.: 983.50 OPENING (1) 1.0' OPENING AT 882,50 BOTTTOM ELEV. AT SHALLOWEST DRAIN POINT: 977.42 BOTTOM OF SAND 978,17
BEEN SEEDED ONCE FINISHED GRADE HAS BEEN ESTABLISHED.
4 WASHED SAND
4. THE PROPOSED STORM DRAINAGE LINES AT THE BIO•CELL5HOULBBEIN PLACE WITH ASSOCIATFD 8" WEIR ELEV.: 982.50 8" BOTTOM ELEV AT DEEPEST DRAIN POINT 976.72
FROSIDN CONTROL MEASURES IN PLACE, WEIR ELK: 982.00 - 71Et.o' _J _ SEASONAL HIGH WATER TABLE (SHWT) BELOW 973.50
U 5. NEW CURB&GUTTER,STONE AND PAVEMENT SHOULD BE#NPLACE, 1'25' - �WEIR� PLAN GRAVEL BLANKET BOTTOM SLOPE: 0.5 /o
6. ONCE ALL PRNATE DRIVES ARE COMPLETE,TEMPORARY DIVERSION DITCHES CAN BEREMOVED -1 - 1- WEIR � 11-III_ I - - I �I I1-I (#57 STONE) BIO-CELLi
AND FILLED IN,MAKING SURE ANY SEDIMENT IS DISPOSED OF PROPERLY. TOP 6' PVC ELEV.: 979.50 TOP 6' PVC ELEV,: 979,50 -1 1 1-1 I I DETAIL
L
I PROP. 6" PVC SCHcl) . 40 UNDERDRAIN @ 0.5% SLOPE
7. CONTRACTORTOREMOVESKIMMERANOPOROUS9AFPLESPRIORTOCLEANINGOUTTEMPORARY RETAINING FILTER FABRIC OAR DEVELOPER PLAN
SKIMMER BASEN(S)MAKING SURE THAT ANY SEDIMENT COLLECTED IS REMOVED AND DISPOSED OF PROPERLY, PVC RCP '' PVC WALL AND 15" RCP OUTLET PIPE KE Y5TONE 6ROUP,ING
rl 8. CONTACT CITY OF WINSTONSALEM STORMWATER MANAGEMENT DIVISION PRIOR TO CONVERTING s" 1 INV _ 15' RCP i e i e 3108 ALLIANCE DRIVE
�I TEMPORARY SKIMMER BASIN(S)INTO PROPOSED BiO-CELL. /-PLUG ; s7a.aa �7i E `- _ e - 12" WETLANDS NOTE: SHWT NOTE: (3/$ PERFORATIONS @6 O.C., 4 HOLES PER OREEN58090,NGz-4U7 SGALE: AS NOTED
9. THE CONVERTED SKIMMER BASIN TOBIO•CELL SURFACE AREA AND VOLUMESHAL BEVFRIfIED 6'PVC 6"K 5, � 60� 6" 6 � 1 CONTACT: 5GOtt Nallace
TEE - � PLUG3J FLOW I B10-CELL THERE ARE NO WETLANDS ON THIS SEASONAL HIGH WATER TABLE REPORT ROW) MIN. OF 4 ROWS OF PERFORATION.
TO ENSURE THAT THESE NUMBERS MATCH DESIGN CRFERIA.(GERTIFYING ENGINEER TOVERIFY INVERT ELEV.: 976.90 INVERT ELEV.: 976.90 1 CLASSIRIP-RAP PHONE: (336)a5b-olil
PROVIDED BY ET ENGINEERING,P.A., I I-I -2�
N PRIORTOCONTlNUATION) ° d` - ' ° _ o-.d` -. ' ' = I SITE ACCORDING TO MICHAEL BRAME FAX: C33b)36q-1536 DATE:
�I d;a.:e '° era= - 1 JOHN M.RILEY, PE-PRESIDENT NOTES: e-malh swalioceagokeptone.com
� 10. INSTALLUNDERDRAINS,CLEAN-OUTS,FILTER STONE AND SPECIAL SOIL MIXTURE ASINDICATED - - - WITH PILOT ENVIRONMENTAL, INC.
LU ON THE APPROVED PLANS. T
CLASS B CONCRETE, CLASS B CONCRETE
UJ 11. INSTALL STONE DIAPHRAGM,SOD FILTER STRIP AND SEED REMAINING AREAS AROUND THE BI0•CELL. 2500 PSI 2500 PSI I - MINIMUM 3" OF # 57 STONE (CLEAN) PROJEGT: 1_188-22
EN6INEERr
sEcrioN A-A SECTION B-B I / OVER PIPES, NOT NECESSARY UNDERNEATH PIPES. GPTEN61NiEERIN645MVEYIN6,INC,
m 12. INSTALL PLANTINGS AND MULCH ACCORDING TO THE APPROVED PLAN. 12" APRE-CONSTRUCTION MEETING SHALL BE
13. INSPECTBKICELLTOENSURETHATITISOPERATINGPROPERLY. SECTION SCHEDULED ON-SITE WITH CONTRACTOR, - CLEAN-OUT PIPES TO BE SCH. 40 PVC WITH GLUED ` O 'N5'�65 DRAWN BY:
p 14. INSPECT AND MAINTAIN ALL EROSION CONTROL MEASURES FOR THE DURATION OF CONSTRUCTION. MODIFIED /�-Tt /(t X 'T HEGH POINT,NO 2Z265
GONTAGT: GHARLE5 R TRUBY,JR. P.E.,P.L.5.
THE BRICK MASONRY YARD INLET R P- P B DETAIL ENGINEER AND CITY ENGINEER PRIOR TO ANY CLEAN-OUT FITTINGS WITH SCREW TYPE CAPS. PHONE; (336)all-Saco ext:304
N 15. PRINST N-SALE STORRWATETIONOfNFORFITEONFOROVAL, CELL TO THE CITY Of N.T.S. CONSTRUCTION OF THE B10-RETENTION AREA. [ FAX; (556)&2-a-Te0 SHEET C -
co
WINSTON-SALEM STORMWATER DIVISION FOR FINAL APPROVAL. N O FLEXIBLE PIPE ALLOWED
N.T.S. email: chuckt�cptenglneering-cam
6
a`
i�

Table 12-2 _
M I N N NG U I N Sam a
Sample Operation and Maintenance Provisions for Bioretention Areas �. -._�_� V `\ V S I ON5
` -� --
- BIORETENTION FACILITIES MILL REQUIRE A REASONABLE AMOUNT OF ROUTINE MAINTENANCE (NOT TOO BMP element: Potential problems: How to rexnediate the problem: � � r �C� n � �
DIFFERENT FROM CONVENTIONAL LANDSCAPING MAINTENANCE) TO ENSURE THAT THE 5Y5TEM BOTH �.! 2L REV.: 04 02-24,NCOEQ COMMENTS
The entire BA�fi' Trash/debris is resent. Remove the mash/debris. a
FUNCTIONS WELL AS A STORMINATE=R BMP AND MAINTAINS AN AE5THETIG ELEMENT COMPATIBLE WITH The perimeter of the Areas of bare soil and/or Re ode the soil if necessary to // n``�
P / gr ry J L I I REV„ 07-31-24,NCDEQ COMMENTS
TF#I SURROUNDING LAND USES. bioretention cell erosive gullies have formed. remove the gully,and then plant a � � � 2 6 1 /❑�
VVVV
- BIORETENTION FAGlLITIE5 5HOULP E3E IN5PEGTED ON A SEMI-ANNUAL BASIS FOR THE FIRST YEAR, AND ground cover and water until it is CO I
AFTER MANOR STORM EVENTS. AFTER THE FIRST YEAR,ANNUAL INSPECTIONS SHOULD BE SUFFICIENT. established. Provide lime and a t
- THE FOLLOWIN6 GENERAIW MAINTFNANGE= 6UIDEANGE 15 RECOMMENDED FOR BIORETENTION 51,5TEMS: one-time fertilizer application. ` 1AJ l 1
The inlet device: pipe, The pipe is clogged(if Unclog the pipe. TDispube of the IU
PLANTING 501L BED:
stone verge or Swale applicable). sediment off-site. l� y �
- THE 501L5 OF THE PLANpTIN&BED 5HOULD BE TE5TED ON AN ANNUAL BASIS FOR pH TO ESTABLISH pipe p p p ! / I F} � � 1-
P The i e is cracked or Replace the pipe, I 11 ACIDIC LEVELS. IF THE: H 15 Bi<I..OW 5.2,LIMESTONE SHOULD E3E APPLIED. IF THE H 19 ABOVE ,�-,�.�,, I►
-1.0 TO 8.0, IRON SULFATE PLl5 SULFUR GAN BE ADDED TO REDUCE pH. otherwise damaged (if A t �"�t' A 11 V T \ - N -
- THE 501L BED MAY EXPERIENCE SOME EROSION, PARTICULARLY AT THE: INFLOW POINTS,PERIODIC, applicable). � � _ I V
INSPECTION AND CORRE67ION OF FRO51014 MAY BE NECESSARY. Erosion is occurring in the Re grade the Swale if necessary to � � � �1 � n ~ ACCESS ESN! T U
- THE SURFACE OF THE 5ED MAY BECOME GLOG6E0 P41TH FINE SEDIMENTS OVER TIME. CORE AERATION swale (if applicable). smooth it over and provide erosion
OR CULTIVATING OF UNVF=6FTATF1-,) AREAS MAY BE REQUIRED TO ENSURE ADEQUATE FILTRATION. control devices such as reinforced r / OPEN 1
turf matting or riprap to avoid TW: 976.0
future problems with erosion.
PREIK6 MENT, INFLOW LOGATION5, AND OVERFLOW: PVC -' SPACE PROP. / TW: 9 8.0 BW: 74.0
$lane verge is clogged or Remove sediment and clogged
- THE VE&FTATED FILTER STRIP OR GRA55ED CHANNEL SHOULD BE INSPECTED FOR ER0510K RILL OR covered in sediment(if stone and replace with clean stone. �}�' � EE � RETAINlN fALI�W: 9�73,° CO o
OULLEYS AND CORRECTED A5 NEEDED, BARE AREAS SHOULD BE SEEDED,OR SODDED, AS NECESSARY. applicable).livable). �V 2Q , „ CO co
/' VALLEY v CO TW: 976.0
- THE INFLOW LOCATION 514OULD BE INSPECTED ANNUALLY FOR CLO66IN6. SEDIMENT BU€LD-UP IS A BI177'elemenf Potential roblems: Haw to xemediate the rablem: / G�
COMMON PROBLEM W1TH MANY PRACTICES WERE RUNOFF LEAVES AN IMPERVIOUS SURFACE AND ��NA�� J o
ENTER5 A VEOETATIVE OR EARTHEN SURFACE. ANY BUILD--UP 5EDIMENT SHOULD BE REMOVED TO The pretreatment area plow is bypassing flow to if necessary to mute all SR G � Zf co � � M 973.0
pretreatment area and/or flew to the pretreatment area. �' �
AVOID RUNOFF BY-PASSING THE FACILITY, /
tiles have formed. liestabilice the area after a.din -
- THE OVERFLOW 5TRUGNRE SHOULD BE INSPECTED ANNUALLY TO ENSURE THAT iT 15 FUNCTIONING. Sediment has accumulated Search for the source of the Q �\
ACCUMULATED TRASH AND DEBRI5 SHOULD BE REMOVED AS NECESSARY.
to a depth greater than three sediment and remedy the problem
inches.. if possible. Remove the sediment
and restabilize the pretreatment GG DI UE 0 ER & A OUND
TABLE 1.0: MATERIAL 5PEGIFIGATION5 area. v PROP B1O-w ELL
Erasion has occurred. Provide additional erosion
PARAMETER 5PEGIFIGATION SIZE NOTE5 protection such as reinforced turf p 3 Q
matting or riprap if needed to
PLANTING 501L REFER TO NGDEQ 5TORMATEP MANUAL N/A prevent future erosion problems.
..4
PLANTIN65 REFER TO Nl 5T0}2MNIATE R MANUAL VARIES N/A Weeds are present. Remove the weeds,preferably by P y� \ \ Z Q
AGED 6 TO 12 hand. p c a A �- } \ J` l
MULCH SHREDDED HARDWOODV d '� r N/A MONTH5, MINIMUM The bioretention cell: Best professional practices 1'raxle accvrdirtg to best a � � F 9�9. 0 O � I � JAGED 6 TO 12 vegetation show that pruning is needed professional practices. v III n N
to maintain optimal plant (0 > I �l Z �
PEA GRAVEL USE GLEAN BANK- health )_
DIAPHRAC7M AND A5TM P 446 51ZE N0. 6 VARIE5 RUN RIVER PEA I~ 3 "�1 I `` �tt1 r-
Ga»OX.116'-1/4) Plants are dead,diseased or Determine the source of the / � 1 7.
CURTAIN DRAIN GRAVEL /
dying. problem: soils,hydrology,disease, ° GL ��
4 '� PROP, > W l- z m
USE GLEAN BANK- etc. Remedythe problem and LEI -] f W
LINDERDRAIN # 5-1 STONE I/2 - 2" p - a / I cO (Q r N 881 / 86.1 Q S O 111 x
ORAVEL RUN RIVER PEA replace plants. Provide a one-time ae 6 f RETAINING ' 2 V O
GRAVEL fertilizer application to establish - f ( a� E 1 ,661 ,954.57
the gmund over if as oil test °� f I I WALLz Q
3/5" PERF. @, 6" indicates it is necessary.If sod was
PVC, PIPING AA5HTO M-275 b" - R160 CENTERS, 4 EHOL3 v I �LI V 2
notSCH, 40 PER IZOW used,cheek to see clot it was not _
grown on clay or impermeable 00 � �� � .p I � 1 L A T 3601 P OD-5 25 7" N � � o LU
soils. Replace sod rfnecessary. , �-� l LONG' 8O°08'� {��" �f�f I O Q
Tree stakes/wires are present Remove tree stake/wires(which c �J Y r f z 6
six months afterplanting.___ can kill the tree if not removed). 2TOP S D: Z ��j Z �
The bioretentian cell: Mulch is breaking dawn or Spat ntalclt if there are only 4 ° 3 M -�' -- Imo/ f! � I�I�OY Y �✓1�L ON / - Q �t 0 dJ
soils and match has floated away. random void areas. Replace whole ( � IlCL
mulch layer if necessary. Remove PIN #60&3-51-0512 LUpp � m
the remaining much and replace BLOCK 517/LOT 0326 r LU t1
with triple shredded hard wood FF B I O V E DD 30C34 PG. 3366 Z
mulch at a maximum depth of /� ,� .µre f ZONINO R520 `�� 0 D
three inches. 1 �tL f
Soils and/or mulch are Determine the extent of the
clogged with sediment. clogging-remove and replace
either just the tap layers or the �' PROP, f ❑
�$
BIORETENTION MEDIA,RF III �I ITS entire media as needed.Dispose of ��I] _ IN[ G D UIE OVER AROUN
the spoil in an appropriate off-site 9 9 Roe. 810 �EL�
-THE MEDIA SHALL BE A HOMOGENEOUS SOIL MIX ENGINEERED MEDIA BLEND Iocation. Use triple shredded hard n _ WAL 1
WITH APPROXIMATE VOLUMES OF: wood mulchata maximum depth
A) 75 TO 85 PERCENT MEDIUM TO COARSE WASHED SAND (ASTM C33 AASHTO M 6/M80, of three inches.Search for the
source of the sediment and remedy Q
ASTM C330, I �,uttttra„
AASHTO M195, OR THE EQUIVALENT): the Rroblemif possible. � � f \ � � � _ f ,O, co
B) 8 TO 10 PERCENT FINES (SILT AND Cl AND BfvlPelement: Potential roblems: Haw to remediate the Problem: ' CID CID NH
- , 1 J �� *0%,*\A CA�jrh///
C 5 TO 10 PERCENT ORGANIC MATTER SUCH AS PINE BARK FINES). The bioretention cell: An annual soil test shows Dolomitic lime shall be applied as �- 6"
) � ) PP � f C CO
soils and mulch that pH has dropped or recommended pes the soil test and �� 7► ['� V
- MINIMUM 1" PER HOUR INFILTRATION RATE MUST BE MAINTAINED, ( y E Ir2 �� �7� �--�_ �y
contimred heat metals have toxic soils shall be removed, l sf� __ f Q f '�
- MEDIA TEST TO BE SUBMITTED TO LOCAL GOVERNING AGENCY FOR STORMWATER accumulated in the soil disposed of properly and replaced '� ` �` 4 a VI -�� ___= ���_ - R SEAL
AFTER CONSTRUCTION ALONG WITH CERTIFICATION. media. with new lantin media.The underdrain system Clogging has occurred. Wash out the underdrain system. �C7: 14984
- MEDIA P-INDEX (PHOSPHORUS) SHALL NOT EXCEED 30 !N NSW WATERS AS y y 9��'
if applicable)
a '•..kG f N Eti¢_ .•�,.�
DEFINED IN 15A NCAC 02B .0202 AND SHALL NOT EXCEED 50 ELSEWHERE. The dro inlet Clo min has accrrrred. Clean out inlet. Dis Dispose
`� �- 9
P g P P 76 �� �,�•
MEDIA SHOULD BE SENT TO NC DEPARTMENT OF AGRICULTURE LAB OR OTHER of the sediment off site. C�
REPUTABLE LAB FOR ANALYSIS OF THE P-INDEX. The drop inlet is damaged 12e air or re lace the dro r inlet. '� "s ^�
- MEDIA SHALL NOT BE PLACED BY MECHANICAL MEANS OR COMPACTED The receiving water Erosion or other signs of Conta the NC Division of Water ' �1 a ��
damn have occurred at the Quality401 Oversight Unit at 919- V�I �� I \
MECHANICALLY. IT IS RECOMMENDED TO EITHER WATER IT OR WALK ON IT A5 outlet 733 1786. ��W Il� TE A0 �T ET 1 PROP, °
IT IS PLACED. 56 9 - AI CE � � RETAINING � � WREN BARROH DILLON -�
-CONTRACTOR SHALL SUBMIT A CERTIFIED COPY OF A SOILS TEST REPORT \ -�c-� '`/�/ ! WALL f 24 I PIN�6860-21-q.4q3 f
FOR THE PLANTING SOIL PRIOR TO BIORETENTION AREA CONSTRUCTION Notes: � RCP BLOCK 5171 LOT 0355B
MEETING THE MINIMUM PLANTING SOIL SPECIFICATION. The engineer's certification of completion will be required prior to the final plat \ �\ ~1 �- C 0-) R P-RAP RON DB, 39B�G. 66_J `
or certificate of occupancy.The stormwater control is to be inspected to ensure it is p I �/ ; F' 1'Y `� b� _ ZON1N6 R51'O
functioning as designed and has full design volume prior to issuance ofthe any ND E/' J � _� APRON THICKNESS 511, ���/.:
certificate of occu anc . X -
The property owner(or homeowner's association)is responsible for maintaining r' ` "` `r l �k,,yf �� Zr CLASS 1 RIP-RAPN 969.00 S- __ •�
the stormwater Gontrol(s)according to the approved maintenance plan and direction of �i� I �_ CN
the City of Winston-Salem.
The City f r Winston-Salem and their assigns have right to access the stormwater S L t PROP .
5 CONIC
O 11 f IC __ ` ■ Z
controls for inspection or maintenance,as necessary. 1 I LJ I V VV
S cc� ;� � SIDEWALK ENDS
NOTES- •-M
A BRICK MASONRY CAN QF O
COMMON CLAY BRICK JUMBO
10
B B 10-CEL L #2 ,�A -1 l
RICK, OR BRICK. l`1 J� V
24" RCP CONCRETE BOTTOMS SHALLIL 11 -SCALE 1" 20' 4 �
BF PA ID AS BR Y. _BRICK RA
ALL MORTAR JOINTS ARE
TO ,5F 1/2"f 1/8" C�
PROP. YARD INLET HH
CONCR£7E COINER TO BE PAID THROAT EL.' 975.50
FOR UNDER THE PAY ITEM
ENGINEER'S CERTIFICATION OF STORMWATER QUALITY CONTROL YARD INLET CORER.CONCRETE INV. EL.: 974.00 (3.0' WEIR) BERMUDA GRASS SOD. tL
I CERTIFY THAT,PURSUANT TO GENERALLY ACCEPTED ENGINEERING STANDARDS 6° PLUG PROP. INV. EL.: 974.50 (2 SIDES - 2.0' WEIRS)FOR DEP7HS SOD MUST B E GROWN O N
IN THE COMMUNITY,IT IS MY PROFESSIONAL OPINION THAT RUNOFF FROM THE I J E STEPS ON fi� N7LR VER �u USE RETAINING �� A P E R M EAB L E LAYER SAND Know what'$ below.
FIRST INCH OF RAINFALL FROM AREAS THAT ARE REQUIRED TO BE CONTROLLED 6TEE6pr STEPS SHALL BE/N ACCORD- WALL INV. EL.: 969.25 (29) 24 ) �+ $
SURFACE AIA PROVIDED: 8,114 S.F. PROP. LaII before you dig.
ANCE WITH LOCAL GOL�ERN/NC, INV. EL.: 968.70
BY A PERMANENT ENGINEERED STORMWATER QUALITY CONTROL THAT HAS BEEN AGENCIES
DESIGNED TO MEET OR EXCEED THE REQUIREMENTS IN THE TOWN OF WALKERTOWN - RETAINING
_JI
UNIFIED DEVELOPMENT ORDINANCE WATERSHED PROTECTION,ARTICLE Ill. � FOR PRECAST CONCRETE MODELS OF 7NIS � WALL �_T
S7RUC77URE. THE MANUFACTURER SHALL STAMP OR STENCIL 1T5 LOGO OR NAMEII . I II -
PVC Aul
ON THE/INSIDE & OUTSIDE OF THE STRUCTURE. __------ _ I I I - -
RIP-RAP -�rr� �.
DEDUCTIONS FOR ONE PIPE I L F I R E BAY FLOW \ I $ 1 PfPE#28 PIPE#21
PIPE SIZE C.M. R.C. 7 TOP OF BERM ELEV.: 976.00 1 +rJ
lZp 0,020 0.032 ---------- i5"RCP 1 1 F/ Lg1N
10-YR STORM ELEV.: 974.99 1 1 18"RCP � LU
15" 0.037 D.047 1 1
PLAN 2-YR STORM ELEV.: 974.47 1 :.-.. ----- --- TOP OF SOD ELEV. 973.00
7a" o.a44 �os5 1�
1-YR STORM ELEV.: 974.21 L--! - -= := NON-PERFORATED PIPING TO 1L1
IMPERMEABLE CEO-MEMBRANE = � � : : ::= =: SURFACE WITH CLEANOUTS TYP A
CONCRETE COINER 8" X S"BRICK PIER CONCRETE COINER S"X B"BRICK PIER TO TOP OF SOD (973.0) :: : {WANT{I.G:.:::.::':':-:': ::- :-
:_:: ( )
_E310-CELL CONSTRUCTION SEQUENCE: AT EACH CORNER TWO CO EACH CORNER rWo 1.0' PONDING STORAGE AREA -.� :--: .::. °` RIP-RAP FOREBAY
a COURSES H10H COURSES HIGH V A
a 1, PRE•CGNSTRUCTIONMEETINGWrTHEROSIONCONTROLINSPECTORTOGETGRADINGPERMIT " WASHED SAND TOP OF SAND 970.50
.
Wil HAVE ALREADY TAKEN PLACE. - 8 BOTTTOM ELEV. AT SHALLOWEST DRAIN POINT: 969.42 BOTTOM OF SAND 97E}.17
N 2. THE SITE WILL HAVE BEEN CLEARED AND GRADED WITH EROSION CONTROL DEVICES IN PLACE ONE (1) SIDE ONLY TWO (2) SIDES ONLY CLASS I RI P-RAP
o ACCORnINGTGTHEAPPROVEDERosloNCQNTROLPLAN. OPENING (1) 3.0' OPENING AT 97, 00 OPENING (2) 20' OPENINGS AT 974.50 BOTTOM ELEV AT DEEPEST DRAIN POINT 968.70
3. ALL AREAS OUTSIDE OF THE NEW BUILDING PADSIPRIVATE DRIVE CONSTRUCTION SHOULD HAVE THROAT ELEV.: 975.50 THROAT ELEV.: 975.50
BEEN SEEDED ONCE FINISHED GRADE HAS BEEN ESTABLISHED.
WEIR ELEV.: 974,50 PIACE GRAVEL BLANKET BOTTOM SLOPE: 0.5°l° SEASONAL HIGH WATER TABLE (SHWT) BELOW 957.00
ry 4. THE PROPOSED STORM DRAINAGE LINES AT THE BID-CELL SHOULD BE IN WnH ASSOCIATED WEIR ELEV.: 974.0[} 8" 8"
EROSION CONTROL MEASURES IN PLACE. 2.0' WEIR rr#57 STONE)
U 5. NEW CURB&GUTTER,STONE AND PAVEMENT SHOULD BE IN PLACE, �3.0' WEIR--I I PLAN l
i= = I- 79F _ _ ° Sao-GELS #�
6. ONCE ALL PRIVATE DRIVES ARE COMPLETE,TEMPORARY DIVERSION DITCHES CAN BE REMOVED I I I-I 1 1 I 6 PVC SCH. 40 U N D E R D RA I N @ 0.5 /o SLOPE m AND FILLED IN,MAKING SURE ANY SEDIMENT IS DsPOSrD OF PROPERLY, TOP 6" PVC ELEV.: 97L50 IT TOP 6" PVC ELEV,: 971.50 I I_I.I_ r FILTER FABRIC
PROP. AND 24" RCP OUTLET PIPE DETAIL
7. CONTRACTOR TO REMOVE SKIMMER AND POROUS BAFFLES PRIOR TO CLEANING OUT TEMPORARY 6" 6• RETAINING ��}} Q
m SKIMMER BASIN(S)MAKING SURE THAT ANY SEDIMENT COLLECTED ISREMOVFD AND DISPOSED OFPROPERLY. PVC R� PVC M WALL 4JI8" PERFORATIONS @6" O.C., 4 HOLES PER 1�L0PER: PLAN
�i 8. CONTACT CITY OF WINSTON SALEM STORMWATER MANAGEMENT OEVISION PRIOR TO CONVERTING :jEg" INV_ 24 RCP KEYSTONE GROUP,ING
TE TEMPORARY SKIMMER BASIN(S)INTO PROPOSED BIO�ELL. PLUG 969.25 '- ROW MIN. OF 4 ROWS OF PERFORATION. 37Ob ALLIANCE DRIVE AS NOTED
m' s°x 6° �, - 121' WETLANDS NOTE: SHWT NOTE: } �REENS>�oRO,NG z�aor �GALI
c l 9. THE CONVERTED SKIMMER BASIN TO BIO-CELL SURFACE AREA AND VOLUME SHALL BE VERIFIED g-PVC 6"x 6" fi" I
o TO ENSURE THAT THESE NUMBERS MATCH DESIGN GRfTEWA.{CERTEFYING ENGINEER TOVERIFY INVERT ELEV.: 96t370 INVERT ELEV.: 968.70 TEE PLUG MFLOW I Blp-CELL THERE ARE NO WETLANDS ON THIS SEASONAL HIGH WATER TABLE REPORT CONTACT: Scott iNallace
PRIOR TO CONTINUATION} - CLASS I RIP-RAP
,. �' = _ a I PROVIDED BY ET ENGINEERING,P.A., PINE: (sib)8s6 oNI 11-13-23
_ -4 - - -- - -. .tea= . - .
"E a :'4aQ - a. °_ .a�� °_ `d_-- ; SITE ACCORDING TO MICHAEL BRAME NOTES: FAX: (336)36a-1336
C] 10. INSTALL UNDERDRAINS,CLEAN-0UTS,FItTER STONE AND SPECW.SOIL MIXTURE ASINDICATED - T� a WITH PILOT ENVIRONMENTAL JOHN M. RILEY,PE-PRESIDENT
ui GN THE APPROVED PLANS. CLASS B CONCRETE, CLASS R CONCRETE , INC. ri e-mall: sa�ailace�gokeltonecom
- MINIMUM 3 OF # 57 STONE (CLEAN)
lAt 11. INSTALL STONE DIAPHRAGM,SOD FILTER STRIP AND SEED REMAINING AREAS AROUND THE BID�ELL. 2500 PSI 2500 PS/ PROJECT:
y OVER PIPES, NOT NECESSARY UNDERNEATH PIPES. E1�ECINLR: I7�8-22
oa o SECTION A-A SECTION B-B 1 CPT ENGIhIEEIRING s SURVEY€r1�,1Nc.
12. INSTALL PLANTINGS
TOAND
MULCH PERATINGAPPROREDPLAN. 12 A PRE-CONSTRUCTION MEETING SHALL BE - CLEAN-OUT PIPES TO BE SCH. 40 PVC WITH GLUED 4400TYNIN6STREET ORANN BY; MV
13. 4NSPECT810-CELL TO ENSURE THAT ETI5OPERATINGPROPERLY. �( /� �/ �}
14. INSPECT AND MAINTAIN ALL EROSION CONTROL MEASURES FOR THE DURATION OF CONSTRUCTION, MODIFIED 4I-1011 X 41_IQII SECTION SCHEDULED ON-SITE WITH CONTRACTOR, HIGH POINT,NG2-1265
CLEAN-OUT FITTINGS WITH SCREW TYPE CAPS. GONTAGT:6HARLE5 P.TRIBY,Y. P.E.,P.L.5.
15. PROVIDE ENGINEER'S CERTIFICATION OF COMPLETION FOR THEB30-CELL TO THE CITY OF BRICK MASONRY YARD INLET RIP-RAP BAFFLE DETAIL ENGINEER AND CITY ENGINEER PRIOR TO ANY - NO FLEXIBLE PIPE ALLOWED. PHONE: [phone] ext:304
WINSTON-SALEM STORMWATER DIVISION FOR FINAL.APPROVAL.
N.T.S. CONSTRUCTION OF THE B10-RETENTION AREA. FAX: (3 512-51&0 SI+EE�
y N.T.S. emolh chuckt@c, tengIneering.cam
m
Q
a`